I'm not really sure what central authority you're talking about. There are, literally, hundreds (or even thousands) of relays. Which one is the central authority? nostr.fmt.wiz.biz

Each relay operator is the "central authority", deciding what is to be seen (and not seen) by that relay's users...

I'm not really sure what central authority you're talking about. There are, literally, hundreds (or even thousands) of relays. Which one is the central authority? relay.mutinywallet.com